Compatible licensed and unlicensed band portable handset...
Compensated channel selector
Complementary communication system in the no-connection mode...
Complementary multiplexer with low disabled-output...
Complex multiplexer/demultiplexer apparatus
Composite code-division/time-division multiplex system
Composite concentration system
Composite packet-switching over wdm by transparent photonic...
Concatenated codes for spread spectrum communication
Concentration network for tdm telephone exchange
Conditional multiplexer
Conference circuit for time division system
Conference communications system
Conferencing arrangement for use in a pcm system
Configurable data link connecting sequencer
Configurable multi-rate channelizer for use in multiple data...
Configurable optical circuit
Configurable optical circuit
Connection of an add/drop node
Constant level loading of fm modulator